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Date: Tue, 22 Jan 2019 14:20:35 -0600
From: Bjorn Helgaas <helgaas@kernel.org>
To: Rob Herring <robh@kernel.org>
Subject: Re: [PATCH] PCI: Use of_node_name_eq for node name comparisons
Message-ID: <20190122202035.GD14636@google.com>
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Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org,
 linux-kernel@vger.kernel.org, Michael Bringmann <mwb@linux.vnet.ibm.com>,
 Paul Mackerras <paulus@samba.org>, linuxppc-dev@lists.ozlabs.org
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 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

[+cc Michael B]

On Wed, Dec 05, 2018 at 01:50:34PM -0600, Rob Herring wrote:
> Convert string compares of DT node names to use of_node_name_eq helper
> instead. This removes direct access to the node name pointer.
> 
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: linux-pci@vger.kernel.org
> Signed-off-by: Rob Herring <robh@kernel.org>

I applied the pci/of.c change to pci/misc for v5.1, thanks!

I dropped the rpaphp_core.c part because there's another patch
in-flight [1] that touches the same code, and it would be easier if
Michael picked up this change and added it to his series.

Bjorn

[1] https://lore.kernel.org/lkml/20181214205120.16435.46952.stgit@powerkvm6.aus.stglabs.ibm.com/

> ---
>  drivers/pci/hotplug/rpaphp_core.c | 2 +-
>  drivers/pci/of.c                  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
> index bcd5d357ca23..7697d9c92b98 100644
> --- a/drivers/pci/hotplug/rpaphp_core.c
> +++ b/drivers/pci/hotplug/rpaphp_core.c
> @@ -354,7 +354,7 @@ int rpaphp_add_slot(struct device_node *dn)
>  	const int *indexes, *names, *types, *power_domains;
>  	char *name, *type;
>  
> -	if (!dn->name || strcmp(dn->name, "pci"))
> +	if (!of_node_name_eq(dn, "pci"))
>  		return 0;
>  
>  	/* If this is not a hotplug slot, return without doing anything. */
> diff --git a/drivers/pci/of.c b/drivers/pci/of.c
> index 4c4217d0c3f1..3d32da15c215 100644
> --- a/drivers/pci/of.c
> +++ b/drivers/pci/of.c
> @@ -113,7 +113,7 @@ struct device_node *of_pci_find_child_device(struct device_node *parent,
>  		 * a fake root for all functions of a multi-function
>  		 * device we go down them as well.
>  		 */
> -		if (!strcmp(node->name, "multifunc-device")) {
> +		if (of_node_name_eq(node, "multifunc-device")) {
>  			for_each_child_of_node(node, node2) {
>  				if (__of_pci_pci_compare(node2, devfn)) {
>  					of_node_put(node);
> -- 
> 2.19.1
>